Thread: Fuel Types and Vehicle Charge Points for Europe

Originally Posted by sbog

48 06 B3 00
i called these 4 bytes - a double word. It is the same for "encrypting" all the file tail (starting at pos 312h = 786 decimal)

"special_adding" is as follows:
***Hidden content cannot be quoted.***
i can write one unique formula, but cannot decide which bit/byte-operation functions are well-known to the readers.
In fact it is sufficient to use chr(), asc() and mod(,16)

@sbog
Very good work, It works well for starting with a unencrypted file and creating a encrypted file.
What I want to do is to start with a encrypted file and end up with a unencrypted file.
Could you please do the explanation for decrypting.